US10345634B2 - Display apparatus - Google Patents
Display apparatus Download PDFInfo
- Publication number
- US10345634B2 US10345634B2 US15/709,378 US201715709378A US10345634B2 US 10345634 B2 US10345634 B2 US 10345634B2 US 201715709378 A US201715709378 A US 201715709378A US 10345634 B2 US10345634 B2 US 10345634B2
- Authority
- US
- United States
- Prior art keywords
- edge
- display
- back plate
- plastic frame
- metal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0088—Positioning aspects of the light guide or other optical sheets in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/009—Positioning aspects of the light source in the package
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0086—Positioning aspects
- G02B6/0091—Positioning aspects of the light source relative to the light guide
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133608—Direct backlight including particular frames or supporting means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
- G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133314—Back frames
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
- G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
-
- G02F2001/133314—
Definitions
- the present invention relates to a display, and in particular to a display with small dimensions.
- FIG. 1 shows a conventional display 9 including an outer front frame 91 , an apparent central frame 92 , a rear housing 93 , a metal front frame 94 , a liquid-crystal module, a backlight module 96 , a panel supporter 97 and a panel frame 98 .
- the metal front frame 94 , the liquid-crystal module, the backlight module 96 , the panel supporter 97 and the panel frame 98 are covered by the apparent front frame 91 , the apparent central frame 92 and the rear housing 93 .
- the need to reduce the thickness and weight of displays is increasingly urgent. However, it is difficult to reduce the thickness and weight of conventional displays any further than the prior art.
- a display in one embodiment, includes a metal back plate, a plastic frame, a backlight optical module and a liquid-crystal module.
- the metal back plate includes a plurality of metal wedging portions and a first side.
- the plastic frame is combined with the metal back plate by injection molding.
- the plastic frame includes a plurality of plastic wedging portions. The plastic wedging portions wedge the metal wedging portions.
- the plastic frame defines a recess on the first side of the metal back plate.
- the backlight optical module is disposed in the recess.
- the liquid-crystal module covers the backlight optical module and is connected to the plastic frame.
- the liquid-crystal module is attached to the plastic frame.
- the plastic frame is a stair-shaped structure.
- the plastic frame comprises a connection surface and an outer surface.
- the liquid-crystal module is attached to the connection surface.
- the liquid-crystal module comprises a display surface. The display surface and the outer surface are in the same level.
- the display further includes a circuit board.
- the circuit board is disposed on a second side of the metal back plate, and the first side is opposite to the second side.
- the display further includes a rear housing.
- the rear housing is directly connected to the plastic frame, and the circuit board is located between the metal back plate and the rear housing.
- the display further includes a circuit board shield.
- the circuit board shield is affixed to the metal back plate and covers the circuit board.
- the metal back plate comprises a first edge, a second edge, a third edge and a fourth edge.
- the second edge is located between the first edge and the third edge.
- the second edge is parallel to the fourth edge.
- the metal wedging portions are formed on the first edge, the second edge and the third edge.
- the display further includes a light source fixing member.
- the metal back plate comprises a plurality of metal securing portions formed on the fourth edge.
- the light source fixing member is secured to the metal securing portions.
- the display further includes a light source.
- a positioning groove is formed by the light source fixing member.
- the light source is disposed in the positioning groove.
- the backlight optical module comprises a light guide. The light guide is partially inserted into the positioning groove.
- the display further includes a rear housing and a lower cover.
- the lower cover is affixed to the fourth edge.
- the rear housing is directly connected to the plastic frame and is directly connected to the lower cover.
- the plastic frame is combined with the metal back plate by injection molding. Therefore, the plastic frame is tightly combined with the metal back plate with small dimension.
- the plastic frame covers and fastens the backlight optical module.
- the plastic frame also fastens the liquid-crystal module and the rear housing. Therefore, in the display of the embodiment of the invention, the plastic frame and the metal back plate connect and fasten the other elements of the display.
- the apparent front frame and the apparent central frame of the conventional design are omitted, thereby reducing the dimensions of the display. Utilizing the display of the embodiment of the invention, the number of required elements is decreased, the elements (such as the liquid-crystal module and the rear housing) are properly fastened by the plastic frame and the metal back plate, and the dimensions of the display are decreased.
- FIG. 1 shows a conventional display
- FIG. 2 is an exploded view of a display of an embodiment of the invention
- FIG. 3B is an enlarged view of the portion 3 B of FIG. 3A ;
- FIG. 4 shows a backlight optical module being combined with the metal back plate and the plastic frame of the embodiment of the invention
- FIG. 5 shows a liquid-crystal module covering the backlight optical module of the embodiment of the invention
- FIG. 6 is a cross sectional view of a light source fixing member of the embodiment of the invention and the neighboring structure thereof;
- FIG. 7 shows the light source fixing member being combined with the metal back plate of the embodiment of the invention.
- FIG. 2 is an exploded view of a display D of an embodiment of the invention.
- the display D includes a metal back plate 1 , a plastic frame 2 , a backlight optical module 3 and a liquid-crystal module 4 .
- FIG. 3A shows the metal back plate 1 combined with the plastic frame 2 .
- FIG. 3B is an enlarged view of a portion 3 B of FIG. 3A .
- the metal back plate 1 includes a plurality of metal wedging portions (concave portions) and a first side 11 .
- the plastic frame 2 is combined with the metal back plate 1 by injection molding.
- the plastic frame 2 includes a plurality of plastic wedging portions (convex portions) 21 .
- the plastic wedging portions 21 wedge the metal wedging portions 13 .
- the plastic frame 2 defines a recess 14 on the first side 11 of the metal back plate 1 .
- the backlight optical module 3 is disposed in the recess 14 .
- the liquid-crystal module 4 covers the backlight optical module 3 and is connected to the plastic frame 2 .
- the metal wedging portions 13 are concave portions, and the plastic wedging portions 21 are convex portions.
- the disclosure is not meant to restrict the invention.
- the metal wedging portions 13 can be convex portions, and the plastic wedging portions 21 can be concave portions.
- the shapes of the metal wedging portions 13 and the plastic wedging portions 21 can also be modified.
- the liquid-crystal module 4 is attached to the plastic frame 2 .
- the liquid-crystal module 4 can be attached to the plastic frame 2 using double-sided adhesive or other means.
- the plastic frame 2 is a stair-shaped structure.
- the plastic frame 2 comprises a connection surface 22 and an outer surface 23 .
- the liquid-crystal module 4 is attached to the connection surface 22 .
- the liquid-crystal module 4 comprises a display surface 41 .
- the display surface 41 and the outer surface 23 are in the same level. Therefore, the display D has an improved appearance.
- a gap g is formed between the liquid-crystal module 4 and the outer surface 23 .
- the size of the gap g can be modified to meet requirements on appearance or assembly.
- the display D further includes a circuit board 51 .
- the circuit board 51 is disposed on a second side 12 of the metal back plate 1 , and the first side 11 is opposite to the second side 12 .
- the display D further includes a rear housing 52 .
- the rear housing 52 is directly connected to the plastic frame 2 , and the circuit board 51 is located between the metal back plate 1 and the rear housing 52 .
- the display D further includes a circuit board shield 53 .
- the circuit board shield 53 is affixed to the metal back plate 1 and covers the circuit board 51 .
- the metal back plate 1 comprises a first edge 101 , a second edge 102 , a third edge 103 and a fourth edge 104 .
- the second edge 102 is located between the first edge 101 and the third edge 103 .
- the second edge 102 is parallel to the fourth edge 104 .
- the metal wedging portions 13 are formed on the first edge 101 , the second edge 102 and the third edge 103 .
- the metal wedging portions 13 are formed at equidistant positions on the first edge 101 , the second edge 102 and the third edge 103 .
- the disclosure is not meant to restrict the invention.
- the arrangement and the position of the metal wedging portions 13 can be modified.
- the display D further includes a light source fixing member 6 .
- the metal back plate 1 comprises a plurality of metal securing portions 15 formed on the fourth edge 104 .
- the fourth edge 104 is a bent edge.
- the light source fixing member 6 is secured to the metal securing portions 15 .
- the metal securing portions 15 can be a plurality of slots.
- the light source fixing member 6 can have a plurality of hooks 62 . The hooks 62 are wedged to the metal securing portions (slots) 15 .
- the display D further includes a light source 7 .
- a positioning groove 61 is formed by the light source fixing member 6 .
- the light source 7 is disposed in the positioning groove 61 .
- the backlight optical module 3 comprises a light guide 31 .
- the light guide 31 is partially inserted into the positioning groove 61 .
- the light source 7 can be a light-emitting diode strip.
- the light source fixing member 6 secures the position of the light source 7 relative to the light guide 31 , and prevents the backlight optical module 3 from flipping.
- the light source 7 comprises a plurality of light-emitting diode chips 71 and a flexible circuit board 72 .
- the light-emitting diode chips 71 face the light guide 31 .
- the material and the design of the light source 7 can be modified. The disclosure is not meant to restrict the invention.
- the display D further includes a lower cover 54 .
- the lower cover 54 is affixed to the fourth edge 104 .
- the rear housing 52 is directly connected to the plastic frame 2 and is directly connected to the lower cover 54 . Therefore, the strength of the display is improved.
- the rear housing 52 is directly wedged to the plastic frame 2
- the rear housing 52 is directly wedged to the lower cover 54 .
- the plastic frame 2 is combined with the metal back plate 1 by injection molding. Therefore, the plastic frame 2 is tightly combined with the metal back plate 1 with small dimension.
- the plastic frame 2 covers and fastens the backlight optical module 3 .
- the plastic frame 2 also fastens the liquid-crystal module 4 and the rear housing 52 . Therefore, in the display of the embodiment of the invention, the plastic frame 2 and the metal back plate 1 connect and fasten the other elements of the display.
- the apparent front frame and the apparent central frame of the conventional design are omitted.
- the dimensions of the display are decreased. Utilizing the display of the embodiment of the invention, the number of required elements is decreased, the elements (such as the liquid-crystal module and the rear housing) are properly fastened by the plastic frame 2 and the metal back plate 1 , and the dimensions of the display are decreased.
- the rear housing 52 , the plastic frame 2 and the lower cover 54 are apparent elements.
Abstract
Description
Claims (8)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710308393.6 | 2017-05-04 | ||
CN201710308393.6A CN108803106B (en) | 2017-05-04 | 2017-05-04 | Display device |
CN201710308393 | 2017-05-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20180321541A1 US20180321541A1 (en) | 2018-11-08 |
US10345634B2 true US10345634B2 (en) | 2019-07-09 |
Family
ID=64014160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/709,378 Active US10345634B2 (en) | 2017-05-04 | 2017-09-19 | Display apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US10345634B2 (en) |
CN (1) | CN108803106B (en) |
TW (1) | TWI662321B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113227888B (en) | 2019-07-23 | 2023-06-27 | 京东方科技集团股份有限公司 | Display panel and display device |
TWI743533B (en) | 2019-08-14 | 2021-10-21 | 佳世達科技股份有限公司 | Display device and frame module thereof |
CN111025759B (en) * | 2019-12-27 | 2022-08-12 | 厦门天马微电子有限公司 | Back plate, backlight module and display device |
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2017
- 2017-05-04 CN CN201710308393.6A patent/CN108803106B/en active Active
- 2017-05-26 TW TW106117571A patent/TWI662321B/en active
- 2017-09-19 US US15/709,378 patent/US10345634B2/en active Active
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US20060139889A1 (en) * | 2004-12-24 | 2006-06-29 | Wintek Corporation | Apparatus of optical display module for fixing circuit board |
US20070139579A1 (en) * | 2005-12-21 | 2007-06-21 | Innolux Display Corp. | Liquid crystal display having connecting member for push button array |
US20090244821A1 (en) * | 2008-03-28 | 2009-10-01 | Epson Imaging Devices Corporation | Electro-optic apparatus and electronic instrument |
US20110292315A1 (en) * | 2010-05-28 | 2011-12-01 | Samsung Electronics Co., Ltd. | Backlight assembly, and liquid crystal display module and liquid crystal display device having the same |
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US20160062523A1 (en) * | 2013-09-05 | 2016-03-03 | Samsung Display Co., Ltd. | Liquid crystal display device integrated with touch screen panel |
US20150228666A1 (en) * | 2014-02-07 | 2015-08-13 | E Ink Corporation | Electro-optic display backplane structures with drive components and pixel electrodes on opposed surfaces |
US20180173032A1 (en) * | 2015-06-16 | 2018-06-21 | Sharp Kabushiki Kaisha | Method of producing display device, and display device |
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US20170168226A1 (en) * | 2015-12-10 | 2017-06-15 | Sti Co., Ltd. | Heat dissipating case for liquid crystal display panel |
Also Published As
Publication number | Publication date |
---|---|
US20180321541A1 (en) | 2018-11-08 |
CN108803106B (en) | 2022-06-24 |
TWI662321B (en) | 2019-06-11 |
TW201843502A (en) | 2018-12-16 |
CN108803106A (en) | 2018-11-13 |
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